/Engine/Source/Runtime/Core/Public/Containers/List.h
bool InsertNode ( [TDoubleLinkedListNode](API\Runtime\Core\Containers\TDoubleLinkedList\TDoubleLinkedListNode) * NewNode, [TDoubleLinkedListNode](API\Runtime\Core\Containers\TDoubleLinkedList\TDoubleLinkedListNode) * NodeToInsertBefore )